#include "pal.h" #include "pal_debug.h" PAL_HANDLE parent_thread, child_thread; int child (void * args) { int i; pal_printf("Enter Child Thread\n"); for (i = 0 ; i < 100 ; i++) { DkThreadDelayExecution(3000); DkThreadResume(parent_thread); pal_printf("parent yielded\n"); } pal_printf("Leave Child Thread\n"); return 0; } int main (void) { int i; pal_printf("Enter Parent Thread\n"); parent_thread = pal_control.first_thread; child_thread = DkThreadCreate(&child, NULL); if (child_thread == NULL) { pal_printf("DkThreadCreate failed\n"); return -1; } for (i = 0 ; i < 100 ; i++) { DkThreadDelayExecution(3000); DkThreadResume(child_thread); pal_printf("child yielded\n"); } pal_printf("Leave Parent Thread\n"); return 0; }